US2914248A - Program control for a data processing machine - Google Patents

Program control for a data processing machine Download PDF

Info

Publication number
US2914248A
US2914248A US570199A US57019956A US2914248A US 2914248 A US2914248 A US 2914248A US 570199 A US570199 A US 570199A US 57019956 A US57019956 A US 57019956A US 2914248 A US2914248 A US 2914248A
Authority
US
United States
Prior art keywords
data processing
program control
processing machine
nov
reg
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US570199A
Inventor
Harold D Ross
Bernard L Sarahan
Morton M Astrahan
Walker H Thomas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to US570199A priority Critical patent/US2914248A/en
Application granted granted Critical
Publication of US2914248A publication Critical patent/US2914248A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/34—Addressing or accessing the instruction operand or the result ; Formation of operand address; Addressing modes
    • G06F9/355—Indexed addressing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
    • G06F9/322—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address
    • G06F9/325—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address for loops, e.g. loop detection or loop counter

Definitions

  • FIG 2 CLEAR MEMORYADR REG MEMORY sum MEMORY ELEMENT INHIBIT SAMPLE s 16] is I P B 52 59 I IRMB REG-ADE REG I LEFT RIGHT jams REG-RA REG LMB REG-OP REG a MEMORY MEMORY 53A IX INT REG 42 BUFFER BUFFER CLEAR I-MB REGiAR CIRCUIT CIRCUIT 1s 16 Is 16 I6 g 'nvmvroles WALKER H THOMAS WEZM AGENT Nov. 24, 1959 H. D. ROSS ETAI. 2,914,248
  • FIG. 4 PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Original Filed Nov. 24, 1954 47 Shoots-Shoot 3 FIG. 4

Description

H. D. ROSS ETAL PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Original Filed Nov. 24. 1954 47 Shasta-Shoat 1 HQ 1 PIC-3.2 FIG.3 FIG 4 FIG. 5 FIG. 6
1 1 I I FIG 2 CLEAR MEMORYADR REG MEMORY sum MEMORY ELEMENT INHIBIT SAMPLE s 16] is I P B 52 59 I IRMB REG-ADE REG I LEFT RIGHT jams REG-RA REG LMB REG-OP REG a MEMORY MEMORY 53A IX INT REG 42 BUFFER BUFFER CLEAR I-MB REGiAR CIRCUIT CIRCUIT 1s 1s 16 Is 16 I6 g 'nvmvroles WALKER H THOMAS WEZM AGENT Nov. 24, 1959 H. D. ROSS ETAI. 2,914,248
PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Original Filed Nov. 24, 1954 47 shoeta sheat 2 F G I 3 OPERATION REGISTER Nov. 24, 1959 H. 0. R055 ETAL 2,914,243
PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Original Filed Nov. 24, 1954 47 Shoots-Shoot 3 FIG. 4
3B l2- 2 WAY OR 4 39 MEM SEL PROGRAM COUNTER IX INT REG-ADR 6 ADDRESS REGISTER Nov. 24, 1959 H. D. ROSS ETA!- 2.914.243
PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Original Filed Nov. 24, 1954 47 Shoots-Shoat 5 ADR R83 RA INSTRUCTION IX! ADR REG 1 CONTROL 6 ELEMENT 7 FIG. 6
Nov. 24, 1959 H. n. ROSS ETAL 2,914,248
PROGRAM CONTROL F OR A DATA PROCESSING MACHINE Original Filed Nov. 24, 1954 47 Shoots-Shoot 6 INSTRUCTION CYCLE INSTRUCTION C YCLE EEE s??? I: I I I I I I III I lfiI I I I I I I I I I III I I I I I I I I I I INSTRUCTION CYCLE FIG. 7
B A 9'? z. a I I! "E c LI I I I I III I II I I I I I I I I I I ITI I I I I I I I I ITOII I I I II I I II FIG. 8
INSTRUCTION WORD LEFT HALF WORD RIGHT HALF WORD S123456789IOIII2I31415SI Y INDEX OPERATION MEMORY MEMORY ADDRESS OF ORDS INDICATOR I I UNIT INDEX INTERVAL FIG 11 FIG 12 F FIG 10 FIG I4 FIG I5 FIG I3 Nov. 24, 1959 H. 0. R058 ETAL PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Original Filed Nov. 24, 1954 47 Sheets-Shout 7 I nNN WD 9N 52%; W .5 L .5 .5 L m n. and k. whnmwao mm a uE N t o .C wmw 9 2 9H 3 52: mm 2 5.52155 .1 o "I 5 mo .8 .t uwdi 6528 9; 2m uz m mwa m 2w mac. \||L End N t H S 5 "E o I 1 EEEO j =5 5 w m now 0mm 62 u. 3.5w lilll fi o E o I mo mo mo 5555a L RN V I #5 Q5228 20E 02% 2 9t 56 6 9; P 8N 52mm in E .Efim b.5050 T EN 52% E m n; .65 x58 9:. 55 6 Nov. 24, 1959 H. 0. R055 ETAL PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Original Filed Nov. 24, 1954 47 Sheets-Sheet 8 BRANCH PT STORE OTA OH MULT OT B RANCH OT mmhwawm zorrsmmmO w v wtm 20mm Q l Nov. 24, 1959 H. D. ROSS ETAL PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Original Filed Nov. 24, 1954 4'! Sheets-Shut 9 .IL I 0 O l I 0 0 O I O O I w 0 0 1 i I O O H 1 O I 1 I I I m m 0 0 w m w 0 O 0 I d m u m m mwmm mmm rIII 5.15.42 XEEQE ZO E EON mOPOuJum van-Z- I a0 a. a0 a0 a. a 3. 3. o 6: as *8 NZVE J mmhmaum ZOEEMEO O- h mtm EOE.
Nov. 24, 1959 HD1055 ETA!- .9
PROGRAM CONTROL FOR A DATA PRDCESSING MACHINE Original Filed Nov. 24. 1954 47 Sheets-Sheet 10 L PARTIAL PRODUCT 83A R PARTIAL PRODUCT 2837 to R DIVISION SHIFT LEFT 202d d L DIVISION SHIFT LEFT 2 E a:
,9 R PARTIAL QUOTIENT 2805 3 E E L PART|AL ouoT|ENT e9 '2 E O i: m 3 3 3 a R COMBINED SHIFT LEFT 40g E i E L COMBINED SHIFT LEFT 4OQ fl.
Ll-I 9 MAKE RA REG AND R Acc 261i 2 SIGNS UNLIKE a 0 .n MAKE LA REG AND L ACC 61A A g A sums UNLIKE I N D \2 (9 D n n N m 0 u U a: n m m m 5 N cLEAR m 5 N n. L n I- m l .93 g 25 w o SUBT ONE 1:: Q FROM sc 0 z E I 9 u i E 5'6 a an t 9: m 6 0 8 :5 2m t g in: I -IE EE 2E w m 55 E 0 5 8 r- 6 25: 5 u u 2: n: 0 oz 1 m m 3; 2 Eu E m c z 3g M gg mo Nov. 24, 1959 H. D. ROSS ETAL PROGRAM CONTROL FOR A DATA PROCESSING MACHINE 4'7 Sheets-Sheet 11 Original Filed Nov. 24, 1954 ll-I mPEmmzuw cz 220o Nov. 24, 1959 H. D. ROSS ETAI- .914.2
PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Original Filed Nov. 24, 1954 47 Sheets-Sheet 12 IO I) 8 Q STORE-PT LL IMO E I X3 IIOI IOII m2 FX3 35 1X2 QUE 1x1 53.;
I- $012 RESET PT 1:!
STORE PT ADD PT GENERATOR MATRIX b 8|IXI-PT x0) (1x3) PT BRANCH GLASS INSTRUCTION COMMAND ADD CLASS INSTRUCTION MATRIX Nov. 24, 1959 H. 0. R055 ETA]. 2,914,243
PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Original Filed Nov. 24, 1954 47 Sheets-Shoot 13 CLBR FF IIGBAI Ix REG 1 S|GN=O In REG 2 SIGN=OT I IR ACC sasu- I I SET an FFQN (no) a N :T: I CLEAR TOA (I67AI I IL I I SET TO s (132 I CLEAR TOPT (161) I I SET TO OT 131A QN mo in m 0 m o 4 mea EN I rozdmm m4 a L O FIIIIIIIIL Q 2- Nov. 24, 1959 H. 0. R055 ETAL PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Original Filed Nov. 24, 1954 47 Sheets-Sheet 15 r mimhu awhw hum "Fro mwkm bum muhzaOo muhw 47 Sheets-Shut 17 H. D. ROSS ETAL PROGRAM CONTROL FOR A DATA PROCESSING MACHINE Nov. 24, 1959 Original Filed Nov. 24. 1954 6 m 6 m 6 m 6 5 5mm 1 5 24 4 4 M3 W3 W W3 2 Zm MB zmww 2 m m 0 ON ON F H H a H m n m m mm m m 9 9 am 92m 7 8 8 8 B 7 7m M 7mm 7 m6 6 sww 6 5 5 5 5 4 4 4 4 3 3 3 3 2 2 2% 2 1 Am 5% 1 0 0 ON 0 1 1 m 1 m I 1 1. B 1 B l m w m w T m mw m wm m 8 8 B 8 51 E; i Pkwy T b c R d M ww 9 8. mm m G Am B a W B W F F S F S Nov.
Original Filed Nov. 24. 1954 H. D. ROSS ETAL PROGRAM CONTROL FOR A DATA PROCESSING MACHINE 4'7 Sheets-Shoot 19 Fls'igk PT1 OT PT2-- T B 9 1011 0 1 2 3 4 5 42 ZIA 31 105114 115 71 BRANCH 230A 93 u 1 4111115 116 101 81 52 164 94 OT 154 53A 52 re INDEX 92 110 91A 79 15 x! -PT1 OT PT2 7 a 9 10 11 o 1 2 3 4 5 6 42 16s :1 41A 52 A BRANCH 21A 93 154 SM 17 ON 52 2:10 94 NO 0T- 911. 01 RIGHT 92 Mmus (BRM) FlG19m PT1 or 212 1 a 9 1o 11 o 1 2 3 4 5 6 42 31 41A s2 11;; RESET 52 91A T7 REGISTER 92 OT (XIN) 19 HH OT PTZ 78910" 0123456 53A RESET 1? INDEX 2% 101 REGggaR Acc (XAC) Q PT: OT Prz 7891011 0123456 42 114 31 4111 3225011 76 17 ADD 2 2 5 3: 101 INDEX 5 2! 1 REGISTER 92 OT (Aux)
US570199A 1956-03-07 1956-03-07 Program control for a data processing machine Expired - Lifetime US2914248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US570199A US2914248A (en) 1956-03-07 1956-03-07 Program control for a data processing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US570199A US2914248A (en) 1956-03-07 1956-03-07 Program control for a data processing machine

Publications (1)

Publication Number Publication Date
US2914248A true US2914248A (en) 1959-11-24

Family

ID=24278669

Family Applications (1)

Application Number Title Priority Date Filing Date
US570199A Expired - Lifetime US2914248A (en) 1956-03-07 1956-03-07 Program control for a data processing machine

Country Status (1)

Country Link
US (1) US2914248A (en)

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015441A (en) * 1957-09-04 1962-01-02 Ibm Indexing system for calculators
US3029025A (en) * 1953-08-18 1962-04-10 Alwac Internat Calculating device
US3036773A (en) * 1957-12-26 1962-05-29 Ibm Indirect addressing in an electronic data processing machine
US3037700A (en) * 1956-11-29 1962-06-05 Ibm Indexing registers for calculators
US3043510A (en) * 1957-11-20 1962-07-10 Sperry Rand Corp Digital computer control
US3058658A (en) * 1957-12-16 1962-10-16 Electronique Soc Nouv Control unit for digital computing systems
US3067937A (en) * 1959-06-08 1962-12-11 Ibm Control element for computing devices
US3085747A (en) * 1959-06-30 1963-04-16 Ibm Asynchronous multiplier
US3094609A (en) * 1959-03-16 1963-06-18 Daystrom Inc Control system for a digital computer
US3094610A (en) * 1959-06-02 1963-06-18 Sylvania Electric Prod Electronic computers
US3105143A (en) * 1959-06-30 1963-09-24 Research Corp Selective comparison apparatus for a digital computer
US3142041A (en) * 1959-06-25 1964-07-21 Ibm Control apparatus for digital computer
US3170142A (en) * 1956-09-26 1965-02-16 Ibm Data processing machine
US3192365A (en) * 1961-06-13 1965-06-29 Ibm High speed binary divider
US3200379A (en) * 1961-01-23 1965-08-10 Burroughs Corp Digital computer
US3202970A (en) * 1958-08-29 1965-08-24 Ibm Scatter read/write operation using plural control words
US3202969A (en) * 1959-12-30 1965-08-24 Ibm Electronic calculator
US3202971A (en) * 1958-08-29 1965-08-24 Ibm Data processing system programmed by instruction and associated control words including word address modification
US3208063A (en) * 1961-06-21 1965-09-21 Continental Oil Co Analog to digital converter
US3219977A (en) * 1960-02-15 1965-11-23 Gen Electric Automatic information modification apparatus for a data processing system
US3219981A (en) * 1960-07-05 1965-11-23 Ibm Programming device for data processing machines
US3219978A (en) * 1960-02-15 1965-11-23 Gen Electric Data processing system
US3222652A (en) * 1961-08-07 1965-12-07 Ibm Special-function data processing
US3223980A (en) * 1961-05-02 1965-12-14 Ncr Co Computer system
US3226532A (en) * 1962-05-09 1965-12-28 United Gas Corp Computer apparatus for scanning a chart record and determining a mathematical result therefrom
US3234519A (en) * 1960-03-29 1966-02-08 Hollandse Signaalapparaten Bv Conditionally operating electronic data processing system
US3234523A (en) * 1962-01-02 1966-02-08 Sperry Rand Corp Phase controlled instruction word format
US3237000A (en) * 1961-10-23 1966-02-22 North American Aviation Inc Multiplication apparatus
US3237168A (en) * 1962-04-13 1966-02-22 North American Aviation Inc Instruction sequence control for a digital computer
US3239820A (en) * 1962-02-16 1966-03-08 Burroughs Corp Digital computer with automatic repeating of program segments
US3242465A (en) * 1961-12-04 1966-03-22 Rca Corp Data processing system
US3246303A (en) * 1961-09-11 1966-04-12 Thompson Ramo Wooldridge Inc Stored logic computer
US3246299A (en) * 1958-08-29 1966-04-12 Ibm Data processing system
US3275989A (en) * 1961-10-02 1966-09-27 Burroughs Corp Control for digital computers
US3277446A (en) * 1962-07-05 1966-10-04 Singer Inc H R B Address modification system and novel parallel to serial translator therefor
US3299261A (en) * 1963-12-16 1967-01-17 Ibm Multiple-input memory accessing apparatus
US3303477A (en) * 1963-10-08 1967-02-07 Telefunken Patent Apparatus for forming effective memory addresses
US3310786A (en) * 1964-06-30 1967-03-21 Ibm Data compression/expansion and compressed data processing
US3315069A (en) * 1963-06-28 1967-04-18 Telefunken Patent Computer having four-function arithmetic unit
US3340513A (en) * 1964-08-28 1967-09-05 Gen Precision Inc Instruction and operand processing
US3349375A (en) * 1963-11-07 1967-10-24 Ibm Associative logic for highly parallel computer and data processing systems
DE1270306B (en) * 1963-12-04 1968-06-12 Ibm Parity check circuit for a purely binary as well as binary-decimal working adding unit
USRE31239E (en) * 1964-02-26 1983-05-10 Lemelson Jerome H Information storage and reproduction system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE496110A (en) * 1949-06-03
BE503357A (en) * 1950-05-18
FR1099467A (en) * 1952-12-22 1955-09-06 Nat Res Dev Improvements to purely digital electronic calculating machines
US2777634A (en) * 1949-08-17 1957-01-15 Nat Res Dev Electronic digital computing machines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE496110A (en) * 1949-06-03
US2777634A (en) * 1949-08-17 1957-01-15 Nat Res Dev Electronic digital computing machines
BE503357A (en) * 1950-05-18
US2800277A (en) * 1950-05-18 1957-07-23 Nat Res Dev Controlling arrangements for electronic digital computing machines
FR1099467A (en) * 1952-12-22 1955-09-06 Nat Res Dev Improvements to purely digital electronic calculating machines

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029025A (en) * 1953-08-18 1962-04-10 Alwac Internat Calculating device
US3170142A (en) * 1956-09-26 1965-02-16 Ibm Data processing machine
US3037700A (en) * 1956-11-29 1962-06-05 Ibm Indexing registers for calculators
US3015441A (en) * 1957-09-04 1962-01-02 Ibm Indexing system for calculators
US3043510A (en) * 1957-11-20 1962-07-10 Sperry Rand Corp Digital computer control
US3058658A (en) * 1957-12-16 1962-10-16 Electronique Soc Nouv Control unit for digital computing systems
US3036773A (en) * 1957-12-26 1962-05-29 Ibm Indirect addressing in an electronic data processing machine
US3202970A (en) * 1958-08-29 1965-08-24 Ibm Scatter read/write operation using plural control words
US3246299A (en) * 1958-08-29 1966-04-12 Ibm Data processing system
US3202971A (en) * 1958-08-29 1965-08-24 Ibm Data processing system programmed by instruction and associated control words including word address modification
US3094609A (en) * 1959-03-16 1963-06-18 Daystrom Inc Control system for a digital computer
US3094610A (en) * 1959-06-02 1963-06-18 Sylvania Electric Prod Electronic computers
US3067937A (en) * 1959-06-08 1962-12-11 Ibm Control element for computing devices
US3142041A (en) * 1959-06-25 1964-07-21 Ibm Control apparatus for digital computer
US3105143A (en) * 1959-06-30 1963-09-24 Research Corp Selective comparison apparatus for a digital computer
US3085747A (en) * 1959-06-30 1963-04-16 Ibm Asynchronous multiplier
US3202969A (en) * 1959-12-30 1965-08-24 Ibm Electronic calculator
US3219978A (en) * 1960-02-15 1965-11-23 Gen Electric Data processing system
US3219977A (en) * 1960-02-15 1965-11-23 Gen Electric Automatic information modification apparatus for a data processing system
US3234519A (en) * 1960-03-29 1966-02-08 Hollandse Signaalapparaten Bv Conditionally operating electronic data processing system
US3219981A (en) * 1960-07-05 1965-11-23 Ibm Programming device for data processing machines
US3200379A (en) * 1961-01-23 1965-08-10 Burroughs Corp Digital computer
US3223980A (en) * 1961-05-02 1965-12-14 Ncr Co Computer system
US3192365A (en) * 1961-06-13 1965-06-29 Ibm High speed binary divider
US3208063A (en) * 1961-06-21 1965-09-21 Continental Oil Co Analog to digital converter
US3222652A (en) * 1961-08-07 1965-12-07 Ibm Special-function data processing
US3246303A (en) * 1961-09-11 1966-04-12 Thompson Ramo Wooldridge Inc Stored logic computer
US3275989A (en) * 1961-10-02 1966-09-27 Burroughs Corp Control for digital computers
US3237000A (en) * 1961-10-23 1966-02-22 North American Aviation Inc Multiplication apparatus
US3242465A (en) * 1961-12-04 1966-03-22 Rca Corp Data processing system
US3234523A (en) * 1962-01-02 1966-02-08 Sperry Rand Corp Phase controlled instruction word format
US3239820A (en) * 1962-02-16 1966-03-08 Burroughs Corp Digital computer with automatic repeating of program segments
US3237168A (en) * 1962-04-13 1966-02-22 North American Aviation Inc Instruction sequence control for a digital computer
US3226532A (en) * 1962-05-09 1965-12-28 United Gas Corp Computer apparatus for scanning a chart record and determining a mathematical result therefrom
US3277446A (en) * 1962-07-05 1966-10-04 Singer Inc H R B Address modification system and novel parallel to serial translator therefor
US3315069A (en) * 1963-06-28 1967-04-18 Telefunken Patent Computer having four-function arithmetic unit
US3303477A (en) * 1963-10-08 1967-02-07 Telefunken Patent Apparatus for forming effective memory addresses
US3349375A (en) * 1963-11-07 1967-10-24 Ibm Associative logic for highly parallel computer and data processing systems
DE1270306B (en) * 1963-12-04 1968-06-12 Ibm Parity check circuit for a purely binary as well as binary-decimal working adding unit
US3299261A (en) * 1963-12-16 1967-01-17 Ibm Multiple-input memory accessing apparatus
USRE31239E (en) * 1964-02-26 1983-05-10 Lemelson Jerome H Information storage and reproduction system
US3310786A (en) * 1964-06-30 1967-03-21 Ibm Data compression/expansion and compressed data processing
US3340513A (en) * 1964-08-28 1967-09-05 Gen Precision Inc Instruction and operand processing

Similar Documents

Publication Publication Date Title
US2914248A (en) Program control for a data processing machine
CN109086075B (en) Artificial intelligence processor and method for executing matrix multiplication vector instruction by using same
Fotheringham Dynamic storage allocation in the Atlas computer, including an automatic use of a backing store
GB1321736A (en) Digital data processing apparatus
GB886889A (en) Improvements in memory systems for data processing devices
GB1412689A (en) Description driven micro-programmable multi-processor system
GB1343454A (en) Multiprogramming data processing apparatus and equipment for use therein
KR960011613A (en) Data processing device
CN107844506B (en) Method and device for realizing data synchronization of database and cache
CN108733412A (en) A kind of arithmetic unit and method
ES467294A1 (en) Apparatus for reducing the instruction execution time in a computer employing indirect addressing of a data memory
GB938573A (en) Data processing apparatus
CN112039975A (en) Method, device, equipment and storage medium for processing message field
GB841455A (en) Automatic card index system
Hamilton et al. The IBM magnetic drum calculator type 650
ES456517A1 (en) Input/output security system for data processing equipment
CN103077104A (en) Verification method, device and system for on-chip system
JPS6365983B2 (en)
GB803003A (en) Mechanism for transferring data to and from magnetic drum storage devices
GB1040973A (en) Improvements in or relating to systems for storing and processing data
US3161856A (en) Electronic data processor
JPS5472909A (en) Recording method for program passing trace of electronic switchboard
GB889435A (en)
Ivannikov Emulators–Digital System Simulation on the Architecture Level
SU742942A1 (en) Information handling device